US Bridges

I-196 M-21 WB over US-131BR & Ionia

Good

Kent County, Michigan · In Grand Rapids Division · Structure no. 000000000004786

Built
1964
61 years old, rebuilt 2006
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
4 main spans
Daily traffic
34,546
2007 count
Owner
State
State Highway Agency

About this bridge

I-196 M-21 WB over US-131BR & Ionia is a steel continuous stringer/multi-beam or girder carrying I-196 M-21 WB over US-131BR & Ionia in Kent County, Michigan. It was built in 1964 and reconstructed in 2006, so it is 61 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 34,546 vehicles a day, roughly 9% of them trucks, projected to reach 47,000 by 2022. The structure is 237 ft (72.2 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-196 M-21 WB
CrossesUS-131BR & Ionia
LocationIn Grand Rapids Division
RouteInterstate 196
Coordinates42.97178, -85.66883
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating68.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length237 ft (72.2 m)
Longest span74 ft (22.5 m)
Deck width61 ft (18.7 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,546 (2007)
Projected traffic47,000 by 2022
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$817,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-196 M-21 WB over US-131BR & Ionia built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2006.

What condition is I-196 M-21 WB over US-131BR & Ionia in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does I-196 M-21 WB over US-131BR & Ionia carry?

About 34,546 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is I-196 M-21 WB over US-131BR & Ionia?

The structure is 237 ft (72.2 m) long with a longest span of 74 ft (22.5 m) and a deck 61 ft wide.

Who owns I-196 M-21 WB over US-131BR & Ionia?

It is owned by the State Highway Agency.